Bacidia fuscoviridis (Anzi) Lettau

Hedwigia, 52: 132, 1912. Basionym: Bilimbia fuscoviridis Anzi - Comm. Soc. Critt. Ital., 2: 16, 1864.
Synonyms: Coppinsidea fuscoviridis (Anzi) S.Y. Kondr., Farkas & Lőkös; Lecidea albidocarnea Nyl.
Description: Thallus crustose, thinly episubstratic, grey-green to blue-green when dry, intensely green when wet, turning whitish in the herbarium, irregularly rimose to areolate, the areoles small, 0.1-0.4 mm wide, often delimited by a thin, white, arachnoid prothallus, sorediate. Soralia pale green, discrete to irregular, punctiform and up to 0.3 mm across when discrete, developing from the surface or the margins of the areoles; soredia 30-50 μm wide. Apothecia rather rare, lecideine, sessile and constricted at base, 0.3-1.2(-1.5) mm across, beige, pink, pale red-brown to dark grey-brown, with a flat to convex disc, and a darker, initially thick, but soon excluded proper margin. Proper exciple pale orange-brown in outer part, more or les colourless within, the pigmented parts K+ purplish brown, composed of stout, densely compacted and branched hyphae; epithecium scarcely differentiated from the hymenium, colourless or pale yellow-brown; hymenium colourless in lower part, 80-95 μm high, I+ blue; paraphyses 1.5-2 μm thick at mid-level, mostly simple, the apical cells to 2.5(-3) μm wide; hypothecium colourless or pale yellowish. Asci 8-spored, clavate to cylindrical-clavate, the apical dome K/I+ dark blue with a pale, conical-pointed apical cushion (axial mass), the wall I-, but the thin outer gel I+ blue, Bacidia-type. Ascospores (1-)3-septate, hyaline, fusiform, (10-)12-19 x (3.5-)4-5 μm. Photobiont chlorococcoid, the cells 6-12(-14) μm in diam. Spot tests: thallus K-, C-, KC-, P-, UV-. Chemistry: thallus without lichen substances.
Growth form: Crustose
Substrata: rocks
Photobiont: green algae other than Trentepohlia
Reproductive strategy: mainly asexual, by soredia, or soredia-like structures (e.g. blastidia)
Most common in areas with a humid-warm climate (e.g. most of Tyrrenian Italy)

Commonnes-rarity: (info)

Alpine belt: absent
Subalpine belt: absent
Montane belt: extremely rare
Dry submediterranean belt: extremely rare
Humid submediterranean belt: absent
Padanian area: absent

pH of the substrata:

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Rarity

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Occurrence data
Predictive map

Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=1097&lang=en
France, Pointe de Dinan


Mark Powell - CC BY-SA NC
Source: http://fungi.myspecies.info/all-fungi/bacidia-fuscoviridis


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=1097&lang=en
France, Pointe de Dinan


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=1097&lang=en
France, Pointe de Dinan


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=1097&lang=en
France, Pointe de Dinan


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=1097&lang=en
France, Pointe de Dinan


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=1097&lang=en
France, Pointe de Dinan


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=1097&lang=en
France, Pointe de Dinan


Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=1097&lang=en
France, Pointe de Dinan


Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=1097&lang=en
France, Pointe de Dinan


Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=1097&lang=en
France, Pointe de Dinan


Jacques _Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=1097&lang=en
France, Pointe de Dinan


Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=1097&lang=en
France, Pointe de Dinan


Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=1097&lang=en
France, Pointe de Dinan


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=1097&lang=en
France, Pointe de Dinan


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=1098&lang=en
France, Pointe de Dinan
sterile specimen


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=1098&lang=en
France, Pointe de Dinan
sterile specimen